Unrated severityNVD Advisory· Published Jul 27, 2026· Updated Jul 28, 2026

CVE-2026-64754

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing a maliciously crafted file may lead to a denial-of-service.

Affected products

Apple Inc./Ipadosllm-fuzzy
Range: 26.6
Apple Inc./macOS Sequoiallm-fuzzy
Range: 15.7.8
Apple Inc./iOSllm-fuzzy
Range: 26.6

Patches

Vulnerability mechanics

References

support.apple.com/en-us/128066mitre
support.apple.com/en-us/128067mitre
support.apple.com/en-us/128068mitre
support.apple.com/en-us/128069mitre
support.apple.com/en-us/128070mitre
support.apple.com/en-us/128071mitre
support.apple.com/en-us/128072mitre

News mentions

Apple Patches Everything (July 2026), (Wed, Jul 29th)
SANS Internet Storm Center · Jul 29, 2026

cvss	0.000
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000